878747363773378 has 96 divisors (see below), whose sum is σ = 1571545969774704. Its totient is φ = 366751621632000.

The previous prime is 878747363773369. The next prime is 878747363773379. The reversal of 878747363773378 is 873377363747878.

It can be written as a sum of positive squares in 8 ways, for example, as 319329644821209 + 559417718952169 = 17869797^2 + 23652013^2 .

It is not an unprimeable number, because it can be changed into a prime (878747363773379) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5268786348 + ... + 5268953128.

Almost surely, 2^{878747363773378} is an apocalyptic number.

878747363773378 is a deficient number, since it is larger than the sum of its proper divisors (692798606001326).

878747363773378 is a wasteful number, since it uses less digits than its factorization.

878747363773378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198100 (or 198089 counting only the distinct ones).

The product of its digits is 117099343872, while the sum is 88.

The spelling of 878747363773378 in words is "eight hundred seventy-eight trillion, seven hundred forty-seven billion, three hundred sixty-three million, seven hundred seventy-three thousand, three hundred seventy-eight".